NAICS 334210: Telephone Apparatus Manufacturing
This industry comprises establishments primarily engaged in manufacturing wire telephone and data communications equipment.  These products may be stand-alone or board-level components of a larger system.  Examples of products made by these establishments are central office switching equipment, cordless and wire telephones (except cellular), PBX equipment, telephone answering machines, LAN modems, multi-user modems, and other data communications equipment, such as bridges, routers, and gateways.

ExioML sector: Electrical machinery and apparatus n.e.c. (31)
Region: US | Year: 2022
Sector value added: 68675.5386579 M EUR | Employment: 809.436143123 thousand persons
Sector GHG emissions: 3051654294.78 kg CO2 eq | Energy carrier net total: 101481.364669 TJ | Carbon intensity: 0.04443582612408031

Company: Zayo Group Holdings Inc
Zayo Group Holdings, Inc. provides bandwidth infrastructure services. The Company offers dark fiber, wavelengths, SONET, ethernet, IP, and carrier-neutral colocation and interconnection. Zayo Group Holdings serves customers worldwide.